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Xcode doesn't show the line that causes a crash

Every time my app crashes Xcode highlights the UIApicationMain() call in the main() function as the line that caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the con...
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What does `m_` variable prefix mean?

...'re using something like intelliSense, you can start with m_ and a list of all your member variables are shown. Part of Hungarian notation, see the part about scope in the examples here. share | imp...
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Is there a typical state machine implementation pattern?

... Really nice touch how NUM_STATES is defined. – Albin Stigo Dec 19 '15 at 19:38  | ...
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How does deriving work in Haskell?

Algebraic Data Types (ADTs) in Haskell can automatically become instances of some typeclasse s (like Show , Eq ) by deriving from them. ...
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What is the difference between old style and new style classes in Python?

...(x) is always <type 'instance'>. This reflects the fact that all old-style instances, independently of their class, are implemented with a single built-in type, called instance. New-style classes were introduced in Python 2.2 to unify the concepts of class and type. A new-s...
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How do I capture SIGINT in Python?

...f KeyboardInterruptException is implemented as a SIGINT handler or if it really only catches Ctrl+C presses, but either way, using a signal handler makes your intent explicit (at least, if your intent is the same as OP's). More importantly though, with a signal you don't have to wrap try-catches ar...
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Is it possible to forward-declare a function in Python?

...rwards is impossible, what about defining it in some other module? Technically you still define it first, but it's clean. You could create a recursion like the following: def foo(): bar() def bar(): foo() Python's functions are anonymous just like values are anonymous, yet they can be ...
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How do I expire a PHP session after 30 minutes?

...ms with filesystems where atime tracking is not available. So it additionally might occur that a session data file is deleted while the session itself is still considered as valid because the session data was not updated recently. And second: session.cookie_lifetime session.cookie_lifetime ...
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File Upload ASP.NET MVC 3.0

...maxRequestLength="x" /> in your web.config, where x is the number of KB allowed for upload. – rsbarro May 22 '11 at 20:33 86 ...
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Debugging Package Manager Console Update-Database Seed Method

... Here is similar question with a solution that works really well. It does NOT require Thread.Sleep. Just Launches the debugger using this code. Clipped from the answer if (!System.Diagnostics.Debugger.IsAttached) System.Diagnostics.Debugger.Launch(); ...